Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
50 Cards in this Set
- Front
- Back
|
Space
|
the set of all points
|
|
|
collinear points
|
points on the same line
|
|
|
coplanar points
|
points on the same line
|
|
|
segment
|
point A and point B and all the points between
|
|
|
ray
|
consists of segment AC and all points p where C is between A and P
|
|
|
Congruent segments
|
segments that are the same measure
|
|
|
midpoint
|
the point that splits a segment into 2 equal parts
|
|
|
segment bisector
|
a line, ray, segment, or plane that intersects a segment at its midpoint
|
|
|
angle
|
2 rays with a common vertex/ endpoint
|
|
|
angle bisector
|
a line, ray, or segment that bisects an angle at its midpoint
|
|
|
supplementary angles
|
2 angles that add up to equal 180 degrees
|
|
|
complementary angles
|
2 angles that add up to equal 90 degrees
|
|
|
vertical angles
|
2 angles whose sides form two pairs of opposite rays
|
|
|
perpendicular lins
|
2 lines that intersect to form right angles
|
|
|
acute angles
|
angles that measure less than 90 degrees
|
|
|
obtuse angles
|
angles that measure greater than 90 degrees
|
|
|
right angle
|
angle that measures 90 degrees
|
|
|
staight angle
|
angle that measures 180 degrees
|
|
|
parallel lines
|
lines that are coplanar and never intersect
|
|
|
skew lines
|
lines that are non coplanar, don't intersect, and aren't parallel
|
|
|
scalene triangle
|
no sides are congruent
|
|
|
isoscleles triangle
|
2 or more sides are congruent
|
|
|
equilateral triangle
|
all sides are congruent
|
|
|
acute triangle
|
3 acute angles
|
|
|
right triangle
|
has one right angle
|
|
|
obtuse triangle
|
has one obtuse angle
|
|
|
equianular triangle
|
all angles are congruent; 60 degrees
|
|
|
exterior angle of a polygon
|
the angle formed when one side of a polygon is extended
|
|
|
diagonal
|
a segment joinging 2 non consecutive vertices of a polygon
|
|
|
quadrilateral
|
4-sided polygon
|
|
|
triangle
|
figure formed by 3 segments joining 3 non collinear points
|
|
|
pentagon
|
5 sided polygon
|
|
|
hexagon
|
6 sided polygon
|
|
|
median of a triangle
|
segment from a vertex to the midpoint of the opposite side
|
|
|
altitude of a triangle
|
perpendicular segment from a vertex to the line containing the opposite side
|
|
|
perpendicular bisector
|
A line, ray, or segment that is perpendicular to the segment at its midpoint
|
|
|
parallelogram
|
quadrilateral with both pairs of opposite sides parallel
|
|
|
rectangle
|
quadrilater with 4 right angles
|
|
|
rhombus
|
quadrilateral with 4 congruent sides
|
|
|
square
|
quadrilateral with 4 right angles and 4 congruent sides
|
|
|
trapezoid
|
quadrilateral with exactly one pair of parallel sides
|
|
|
isosceles trapezoid
|
trapezoid with congruent legs
|
|
|
median with a trapezoid
|
segment that joins the midpoint of the legs
|
|
|
bases of a trapezoid
|
parallel sides of a triangle
|
|
|
biconditional
|
"if and only if"
|
|
|
converse
|
if q then p
|
|
|
inverse
|
if not p, then not q
|
|
|
contrapositive
|
If not q, then not p
|
|
|
similar polygons
|
2 polygons where the vertices can be paired so that corresponding angles are congruent and corresponding sides are in proportion
|
|
|
opposite rays
|
Points R,S,T:
If S is between R and T then SR(ray) and ST(ray) are opposite rays |
